Trek JET 20 2010 VS Specialized HOTROCK 12 2008 specs comparison
Trek Jet 20
General Infos| Model | Jet 20 |
| Manufacturer | Trek |
| Year of production | 2010 |
| Current price | Check price Here ==> |
| Color choice |
- Black and Pearl White -Black and Orange |
| Sizes |
- Boy's 6-9 yrs old |
| Sizes |
- Boy's 6-9 yrs old |
Wheels And Breaking System
| Bike front tire | 20 X 1.95 Cross Knobby |
| Bike rear tire | Not Available |
| Bike wheel size | 20 (inches) Wheels |
| Brakeset type | Dialed Alloy Rear Levers Coast Brake and Alloy Linear Pull Rear Brakes |
| Hubs for disc brakes | Rear: Coaster Brake Front: Steel |
| Rims manufacturer | 36-hole Aluminum |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | Alpha White Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Steel |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy and Steel 4-bolt |
| Headset size | Adjustable Ball Bearing |
Gearing Specifications
| Bicycle chain | Not Available |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Not Available |
| Crankset parts and sizes | 32 Teeth Dialed 4.5 (inches) |
| Gear shift levers | Not Available |
| Rear gear set | 19 Teeth 1-speed |
Trek Jet 20 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown High Tensile Steel |
| Fork type | Trek |
Other Specs of Trek Jet 20
| Component group sets | Juvenile Mix |
| Pedals details | Platform |
| Rear shock absorber | Not Available |
| Saddle seat | Dialed 20 (inches) |
| Seat post extension | Steel |
Specialized Hotrock 12
General Infos| Model | Hotrock 12 |
| Manufacturer | Specialized |
| Year of production | 2008 |
| Current price | Check price Here ==> |
| Color choice |
- Yellow and Black -Blue and Black |
| Sizes |
- Youth |
Wheels And Breaking System
| Bike front tire | 12 X 2.125 (inches) Specialized Roller |
| Bike rear tire | Not Available |
| Bike wheel size | 12 (inches) Wheels |
| Brakeset type | Coaster Brake Rear |
| Hubs for disc brakes | Nutted Joy Tech Steel |
| Rims manufacturer | Alloy |
| Spoke nipples type | Not Available |
| Spoke wheel | Not Available |
Frame and Body Specs
| Frame materials | A1 Premium Aluminum |
| Frame type | TIG-welded |
| Handlebar construction | Alloy 2pc |
| Handlebar extender | Optional |
| Handlebar stem details | Alloy Quill |
| Headset size | 1 (inches) Threaded Threaded |
Gearing Specifications
| Bicycle chain | 1/2 X 1/8 (inches) KMC Z410 |
| Bottom bracket shell width | Not Available |
| Bottom bracket type | Loose Ball |
| Crankset parts and sizes | 28 Teeth 75 (millimeters) Heat Treated Hi-Ten 1-piece |
| Gear shift levers | Not Available |
| Rear gear set | 18 Teeth 1-speed |
Specialized Hotrock 12 Fork System Data
| Derailleur (Front) | Not Available |
| Derailleur (Rear) | Not Available |
| Fork material | Unicrown Crown Aluminum and steel |
| Fork type | Specialized |
Other Specs of Specialized Hotrock 12
| Component group sets | Juvenile Mix |
| Pedals details | Composite Body |
| Rear shock absorber | Not Available |
| Saddle seat | Specialized Kids |
| Seat post extension | 22.2 (millimeters) Diameter Steel |
Useful links and guides ....
- To know more about this exacte bike, Trek provided us with the latest version of its Jet 20 bike manual
- Find All parts, tires and accessories of Trek Jet 20 Youth here
- Get your Specialized Hotrock 12 manual book version yo know further about this bike
- Saddles, tires And mechanical parts for Specialized Hotrock 12 Youth here
